发明名称 DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a developing device, a process cartridge, and an image forming apparatus which allow the reduction of scattering powder during carrying by using ETH phenomenon. SOLUTION: In the developing device, a multiphase voltage is applied to carrying electrodes through common electrodes by a voltage supply means to form a carrying electric field and powder is carried to an area facing a latent image carrier by the carrying electric field, of a carrying member to stick the powder onto the latent image carrier, whereby a latent image on the latent image carrier is developed. In this developing device, space intervals between common electrodes and one ends of carrying electrodes are longer than intervals of carrying electrodes, so that toner is made to go inward in a lengthwise direction by forming an electric field gong inward. Therefore, scattering powder in the lengthwise direction can be prevented and the powder can be prevented from sticking to the common electrodes. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007241006(A) 申请公布日期 2007.09.20
申请号 JP20060065075 申请日期 2006.03.10
申请人 RICOH CO LTD 发明人 IKEGUCHI HIROSHI
分类号 G03G15/08 主分类号 G03G15/08
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